Features: brand new and high quality The ultra-thin designed makes travel or business travel easy. Putting it in a backpack, computer bag, or suitcase will never take up lot of space and will not add extra-weight. Built-in rechargeable battery, can be used for more than 30days after fully charged. The keyboard keys have a scissor structure, and square chocolate keycaps are ergonomically designed. With this keyboard, you can type quietly on tablets and smartphones, providing you with a comfortable and pleasant typing experiences. The keyboard adopts stable Bluetooth-compatible 3.0 technology, and the working distance can reach 10m. Easy to use, there are hot-key for volume control, playback pause, previous song. Specifications: Material:ABS Color:Black/White Green/White Pink/White Yellow/White Blue/White Purple/White Gray/White Interface: Bluetooth-compatible 3.0 Limited operating range: within 10meters Battery capacity: 180mA Working time: > 40 hours Operating voltage: 3.0-4.2V Operating temperature: -10-55℃ Operating current: < 2.5mA Size:Approx.24.5x15cm/9.64x5.9inches Package Includes: 1x Wireless Keyboard note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.